Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9RUM callsign genealogy
Currently held by Whitaker, John L
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by K9RUM's current licensee, walking backwards.
- Whitaker, John LVAgranted 2014-02-28cancelled 2014-03-18
Successor callsigns
Callsigns held now by people who previously held K9RUM.
No current licensee on record previously held this callsign.